Risk Factors for Pediatric Human Immunodeficiency Virus-Related Malignancy

Bradley H Pollock, Hal B. Jenson, Charles T. Leach, Kenneth L. McClain, Robert E. Hutchison, Linda Garzarella, Vijay V. Joshi, Richard T. Parmley, Sharon B. Murphy

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Context: Although cancers occur with increased frequency in children with human immunodeficiency virus (HIV) infection, the specific clinical, immunological, and viral risk factors for malignancy have not been identified. Objective: To identify risk factors for malignancy among HIV-infected children. Design, Setting, and Patients: A multicenter case-control study of children with HIV at 26 institutions participating in the Pediatric Oncology Group. Forty-three case patients with a new malignancy and 74 control patients without a malignancy were matched based on the duration of their infection. Patients were enrolled between January 1992 and July 1998. Main Outcome Measures: Clinical and laboratory factors assessed as putative risk factors included demographic characteristics, HIV characteristics, prior antiretroviral treatment, and CD4 cell count. Coviral infections with Epstein-Barr virus (EBV), cytomegalovirus, and human herpesvirus 6 were assessed by semiquantitative polymerase chain reaction assays and serological testing. Results: Case malignancy diagnoses included 28 non-Hodgkin lymphoma, 4 B-cell acute lymphoblastic leukemia, 1 Hodgkin disease, 8 leiomyosarcoma, 1 hepatoblastoma, and 1 schwannoma. Epstein-Barr virus viral load of more than 50 viral genome copies per 105 peripheral blood mononuclear cells was strongly associated with cancer risk but only for children with CD4 cell counts of at least 200/μL (odds ratio [OR], 11.33; 95% confidence interval [CI], 2.09-65.66, P<.001). High EBV viral load was not associated with cancer for children with CD4 cell counts of less than 200/pL (OR, 1.12; 95% CI, 0.13-9.62; P=.99). Zidovudine antiretroviral therapy did not confer a significant protective effect for either the high (OR, 0.81; 95% CI, 0.22-3.09; P=.77) or the low CD4 cell count groups (OR, 0.27; 95% CI, 0.04-1.46; P=.16). The route of HIV infection was not associated with increased cancer risk. Conclusions: Route of infection, demographic characteristics, and zidovudine use were not associated with the development of malignancy in HIV-infected children. High viral burden with EBV was associated with the development of malignancy in HIV-infected children although the effect was modified by CD4 cell count. The pathogenesis of HIV-related pediatric malignancies remains unclear and other contributing risk factors can be elucidated only through further study.

Original languageEnglish (US)
Pages (from-to)2393-2399
Number of pages7
JournalJournal of the American Medical Association
Volume289
Issue number18
DOIs
StatePublished - May 14 2003
Externally publishedYes

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HIV
Pediatrics
CD4 Lymphocyte Count
Neoplasms
Viral Load
Human Herpesvirus 4
Odds Ratio
Confidence Intervals
Zidovudine
Virus Diseases
Demography
Hepatoblastoma
Human Herpesvirus 6
Epstein-Barr Virus Infections
Leiomyosarcoma
Viral Genome
Neurilemmoma
Infection
Cytomegalovirus
Hodgkin Disease

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Pollock, B. H., Jenson, H. B., Leach, C. T., McClain, K. L., Hutchison, R. E., Garzarella, L., ... Murphy, S. B. (2003). Risk Factors for Pediatric Human Immunodeficiency Virus-Related Malignancy. Journal of the American Medical Association, 289(18), 2393-2399. https://doi.org/10.1001/jama.289.18.2393

Risk Factors for Pediatric Human Immunodeficiency Virus-Related Malignancy. / Pollock, Bradley H; Jenson, Hal B.; Leach, Charles T.; McClain, Kenneth L.; Hutchison, Robert E.; Garzarella, Linda; Joshi, Vijay V.; Parmley, Richard T.; Murphy, Sharon B.

In: Journal of the American Medical Association, Vol. 289, No. 18, 14.05.2003, p. 2393-2399.

Research output: Contribution to journalArticle

Pollock, BH, Jenson, HB, Leach, CT, McClain, KL, Hutchison, RE, Garzarella, L, Joshi, VV, Parmley, RT & Murphy, SB 2003, 'Risk Factors for Pediatric Human Immunodeficiency Virus-Related Malignancy', Journal of the American Medical Association, vol. 289, no. 18, pp. 2393-2399. https://doi.org/10.1001/jama.289.18.2393
Pollock, Bradley H ; Jenson, Hal B. ; Leach, Charles T. ; McClain, Kenneth L. ; Hutchison, Robert E. ; Garzarella, Linda ; Joshi, Vijay V. ; Parmley, Richard T. ; Murphy, Sharon B. / Risk Factors for Pediatric Human Immunodeficiency Virus-Related Malignancy. In: Journal of the American Medical Association. 2003 ; Vol. 289, No. 18. pp. 2393-2399.
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abstract = "Context: Although cancers occur with increased frequency in children with human immunodeficiency virus (HIV) infection, the specific clinical, immunological, and viral risk factors for malignancy have not been identified. Objective: To identify risk factors for malignancy among HIV-infected children. Design, Setting, and Patients: A multicenter case-control study of children with HIV at 26 institutions participating in the Pediatric Oncology Group. Forty-three case patients with a new malignancy and 74 control patients without a malignancy were matched based on the duration of their infection. Patients were enrolled between January 1992 and July 1998. Main Outcome Measures: Clinical and laboratory factors assessed as putative risk factors included demographic characteristics, HIV characteristics, prior antiretroviral treatment, and CD4 cell count. Coviral infections with Epstein-Barr virus (EBV), cytomegalovirus, and human herpesvirus 6 were assessed by semiquantitative polymerase chain reaction assays and serological testing. Results: Case malignancy diagnoses included 28 non-Hodgkin lymphoma, 4 B-cell acute lymphoblastic leukemia, 1 Hodgkin disease, 8 leiomyosarcoma, 1 hepatoblastoma, and 1 schwannoma. Epstein-Barr virus viral load of more than 50 viral genome copies per 105 peripheral blood mononuclear cells was strongly associated with cancer risk but only for children with CD4 cell counts of at least 200/μL (odds ratio [OR], 11.33; 95{\%} confidence interval [CI], 2.09-65.66, P<.001). High EBV viral load was not associated with cancer for children with CD4 cell counts of less than 200/pL (OR, 1.12; 95{\%} CI, 0.13-9.62; P=.99). Zidovudine antiretroviral therapy did not confer a significant protective effect for either the high (OR, 0.81; 95{\%} CI, 0.22-3.09; P=.77) or the low CD4 cell count groups (OR, 0.27; 95{\%} CI, 0.04-1.46; P=.16). The route of HIV infection was not associated with increased cancer risk. Conclusions: Route of infection, demographic characteristics, and zidovudine use were not associated with the development of malignancy in HIV-infected children. High viral burden with EBV was associated with the development of malignancy in HIV-infected children although the effect was modified by CD4 cell count. The pathogenesis of HIV-related pediatric malignancies remains unclear and other contributing risk factors can be elucidated only through further study.",
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AU - Jenson, Hal B.

AU - Leach, Charles T.

AU - McClain, Kenneth L.

AU - Hutchison, Robert E.

AU - Garzarella, Linda

AU - Joshi, Vijay V.

AU - Parmley, Richard T.

AU - Murphy, Sharon B.

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N2 - Context: Although cancers occur with increased frequency in children with human immunodeficiency virus (HIV) infection, the specific clinical, immunological, and viral risk factors for malignancy have not been identified. Objective: To identify risk factors for malignancy among HIV-infected children. Design, Setting, and Patients: A multicenter case-control study of children with HIV at 26 institutions participating in the Pediatric Oncology Group. Forty-three case patients with a new malignancy and 74 control patients without a malignancy were matched based on the duration of their infection. Patients were enrolled between January 1992 and July 1998. Main Outcome Measures: Clinical and laboratory factors assessed as putative risk factors included demographic characteristics, HIV characteristics, prior antiretroviral treatment, and CD4 cell count. Coviral infections with Epstein-Barr virus (EBV), cytomegalovirus, and human herpesvirus 6 were assessed by semiquantitative polymerase chain reaction assays and serological testing. Results: Case malignancy diagnoses included 28 non-Hodgkin lymphoma, 4 B-cell acute lymphoblastic leukemia, 1 Hodgkin disease, 8 leiomyosarcoma, 1 hepatoblastoma, and 1 schwannoma. Epstein-Barr virus viral load of more than 50 viral genome copies per 105 peripheral blood mononuclear cells was strongly associated with cancer risk but only for children with CD4 cell counts of at least 200/μL (odds ratio [OR], 11.33; 95% confidence interval [CI], 2.09-65.66, P<.001). High EBV viral load was not associated with cancer for children with CD4 cell counts of less than 200/pL (OR, 1.12; 95% CI, 0.13-9.62; P=.99). Zidovudine antiretroviral therapy did not confer a significant protective effect for either the high (OR, 0.81; 95% CI, 0.22-3.09; P=.77) or the low CD4 cell count groups (OR, 0.27; 95% CI, 0.04-1.46; P=.16). The route of HIV infection was not associated with increased cancer risk. Conclusions: Route of infection, demographic characteristics, and zidovudine use were not associated with the development of malignancy in HIV-infected children. High viral burden with EBV was associated with the development of malignancy in HIV-infected children although the effect was modified by CD4 cell count. The pathogenesis of HIV-related pediatric malignancies remains unclear and other contributing risk factors can be elucidated only through further study.

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